Left Toolbar > Texture Nodes > Texture Select node
The Texture Select node takes 3 textures as input, texture A, texture B and a control texture. Based on the control texture and the threshold values, the Select texture displays texture A, texture B or a mix of texture A and texture B.
Tex A A procedural Billow texture.
Tex B A procedural Perlin texture.
Control A procedural Voronoi texture.
Tex The procedural Billow and Perlin textures with a Texture Select and the Voronoi control texture, with a low value of 0.25, high of 0.6 and falloff of 0.2.
On the left toolbar choose Texture Nodes > Texture Select. >
Drag the Texture Select icon into the Node Graph.
Adjust the attributes of the Texture Select node.
Tex A A procedural texture node.
Tex B A procedural texture node.
Control A procedural texture node.
Tex A procedural texture.
Low Defines the low threshold value in the control image.
High Defines the high threshold value.
Falloff Defines the falloff or region where the textures A and B are mixed.